docs(tooltip): add info on Safari bug

- Add information on Safari bug, affecting all versions up to 9 at the least
angular-ui · wesleycho · Aug 22, 2016 · Aug 22, 2016 · 9a7c0e3a5696e92669f9e740b5492d449053a7ac
commit 9a7c0e3a5696e92669f9e740b5492d449053a7ac
diff --git a/src/tooltip/docs/readme.md b/src/tooltip/docs/readme.md
@@ -118,3 +118,5 @@ For Safari 7+ support, if you want to use the **focus** `tooltip-trigger`, you n
   Click Me
 </a>
 ```
+
+For Safari (potentially all versions up to 9), there is an issue with the hover CSS selector when using multiple elements grouped close to each other that are using the tooltip - it is possible for multiple elements to gain the hover state when mousing between the elements quickly and exiting the container at the right time. See [issue #5445](https://github.com/angular-ui/bootstrap/issues/5445) for more details.
-Original file line number
+Diff line change
@@ Expand Up @@
       Click Me
     </a>
     ```
+    For Safari (potentially all versions up to 9), there is an issue with the hover CSS selector when using multiple elements grouped close to each other that are using the tooltip - it is possible for multiple elements to gain the hover state when mousing between the elements quickly and exiting the container at the right time. See [issue #5445](https://github.com/angular-ui/bootstrap/issues/5445) for more details.